package com.newcapec.lesson4;

public class Demo1 {
    public static void main(String[] args) {
        Object obj = new Object();
        System.out.println(String.valueOf(obj));
        int a = 100;
        String str = String.valueOf(a);
        String str2 = "abc";
        System.out.println(str2.toUpperCase());

        String str3 = " sdfjhaskdakds ";
        System.out.println(str3);
        System.out.println(str3.trim());

        String str4 = "ebc";
        String str5 = "cdf";
        int result = str4.compareTo(str5);
    }
}
